According to the owners' manuals, both of my Accords (weak pun) require oil changes every 7500, or at least once a year. I change every 5000, with syn (the '99 is now on its first run of GC, the '97 is on PP). If I only out 2K a year on either car, I would go to one change a year.
Those advising you to run the car to full operating temperature once in a while are right. You cannot otherwise evaporate accumulated moisture (a combustion product, and a result of condensation) from the oil.